cat4016 Catalyst Semiconductor, cat4016 Datasheet

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cat4016

Manufacturer Part Number
cat4016
Description
16-channel Constant Current Led Driver
Manufacturer
Catalyst Semiconductor
Datasheet

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16-Channel Constant Current LED Driver
FEATURES
APPLICATION
TYPICAL APPLICATION CIRCUIT
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
For Ordering Information details, see page 14.
VIN
3V to
5.5V
16 Constant current-sink channels
Serial interface up to 25MHz clock frequency
3V to 5.5V logic supply
LED current range from 2mA to 100mA
LED current set by external RSET resistor
300mV LED dropout at 30mA
Thermal shutdown protection
Available in RoHS-compliant 24-lead SOIC,
TSSOP, QSOP, and 4 x 4mm TQFN packages
Billboard Display
Marquee Display
Instrument Display
General Purpose Display
1µF
VDD
BLANK
LATCH
SIN
CLK
LED1
CAT4016
LED2
GND
LED16
SOUT
RSET
20mA
to next
device
3kΩ
1
DESCRIPTION
The CAT4016 is a 16 channel constant current driver
for
applications. LED channel currents are programmed
together via an external RSET resistor. Low output
voltage operation on the LED channels as low as 0.4V
(for 2 to 100mA LED current) allows for more power
efficient designs.
A high-speed 4-wire serial interface of up to 25MHz
clock frequency controls each individual channel using
a shift register and latch configuration. A serial output
data pin (SOUT) allows multiple devices to be
cascaded and programmed via one serial interface.
The device also includes a blanking control pin
(BLANK) that can be used to disable all channels
independently of the interface.
Thermal shutdown protection is incorporated in the
device to disable the LED outputs if the die
temperature exceeds a set limit.
The device is available in the 24-lead SOIC, TSSOP,
QSOP and the compact TQFN 4 x 4mm packages.
LED
billboard
and
other
general
CAT4016
Doc. No. MD-5028 Rev. C
display

Related parts for cat4016

cat4016 Summary of contents

Page 1

... SIN CLK GND © Catalyst Semiconductor, Inc. Characteristics subject to change without notice DESCRIPTION The CAT4016 channel constant current driver for LED billboard applications. LED channel currents are programmed together via an external RSET resistor. Low output voltage operation on the LED channels as low as 0.4V (for 2 to 100mA LED current) allows for more power efficient designs ...

Page 2

... CAT4016 ORDERING INFORMATION Part Number Package CAT4016W-T1 SOIC24 CAT4016Y-T2 TSSOP24 CAT4016VS-T2 QSOP24 CAT4016VSR-T2 QSOP24 CAT4016HV6-T2 TQFN24 CAT4016HV6-GT2 TQFN24 Notes: (1) Matte-Tin Plated Finish (RoHS-compliant) (2) NiPdAu Plated Finish (RoHS-compliant) PIN CONFIGURATION 24-Lead SOIC (W), TSSOP (Y), QSOP (VS) GND 1 24 SIN 2 23 CLK 3 22 LATCH 4 21 ...

Page 3

... SET R = 750Ω SET R = 3kΩ SET R = 750Ω SET V = 5V, outputs off LED GND -1mA 1mA OL 3 CAT4016 Units 6 V +0. 150 mA °C °C °C 300 Range Units °C Min Typ Max Units 18 ...

Page 4

... LATCH to LED1 off/on LED(n) to LED(n+1) LED1 to LED16 BLANK to LED(n) off/on Pull-up resistor = 50Ω to 3.0V Pull-up resistor = 50Ω 15pF 15pF L CLK to SOUT 1µF VDD LED1 BLANK CAT4016 LATCH LED16 SIN CLK SOUT RSET GND RSET 4 (1) (2) (1) Min Typ Max Units ...

Page 5

... LATCH LATCH BLANK LED1 LED2 LED16 © Catalyst Semiconductor, Inc. Characteristics subject to change without notice 1/f clk cwl cwh lwh Figure 1. Serial Input Timing Diagram lst ls Figure 2. LED Output Timing Diagram 5 CAT4016 t lsu t bd Doc. No. MD-5028 Rev. C ...

Page 6

... CAT4016 TYPICAL PERFORMANCE CHARACTERISTICS V = 5.0V, LED current 30mA, all LEDs On LED Current vs. LED Pin Voltage 0.0 0.3 0.6 0.9 LED PIN [V] LED Current vs. VDD Pin Voltage 31.5 31.0 30.5 30.0 29.5 29.0 28.5 3.0 3.5 4.0 4.5 VDD [V] RSET Voltage vs. VDD Pin Voltage 1.30 1.25 1.20 1.15 1.10 3.0 3.5 4.0 4.5 VDD [V] Doc. No. MD-5028 Rev 25°C unless otherwise specified. ...

Page 7

... Characteristics subject to change without notice = 25°C unless otherwise specified. AMB LED Current vs. Temperature 31.5 31.0 30.5 30.0 29.5 29.0 28.5 100 150 Internal Pull-Up Current (BLANK pin BLANK Transient Response CAT4016 - 100 150 TEMPERATURE [° BLANK VOLTAGE [V] Doc. No. MD-5028 Rev. C ...

Page 8

... CAT4016 PIN DESCRIPTION Name Function GND Ground SIN Serial data input pin CLK Serial clock input pin LATCH Latch serial data to output registers LED1-LED16 LED channel cathode terminals BLANK Enable / disable all channels SOUT Serial data output pin. RSET LED current set pin ...

Page 9

... BLANK LATCH SIN CLK Figure 2. CAT4016 Functional Block Diagram BASIC OPERATION The CAT4016 uses 16 tightly matched current sinks to accurately regulate the LED current in each channel. The external resistor used to set the LED SET channel current to 50 times the current × ...

Page 10

... CAT4016 PACKAGE OUTLINE DRAWINGS (1) SOIC 24-Lead 300mils ( PIN#1 IDENTIFICATION TOP VIEW D A SIDE VIEW For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MS-013. Doc. No. MD-5028 Rev. C ...

Page 11

... For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MO-153. © Catalyst Semiconductor, Inc. Characteristics subject to change without notice θ1 11 CAT4016 SYMBOL MIN NOM MAX A 1.20 A1 0.05 0.15 A2 0.80 1. ...

Page 12

... CAT4016 (1) QSOP 24-Lead (VS, VSR) TOP VIEW SIDE VIEW For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MO-137. Doc. No. MD-5028 Rev. C SYMBOL MIN A 1.37 A1 0.10 b 0.20 c 0.19 D 8.56 E 5. ...

Page 13

... Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MO-220. © Catalyst Semiconductor, Inc. Characteristics subject to change without notice SIDE VIEW MAX L 0.80 0.05 0.30 4.10 2.90 4.10 A 2.90 0.50 13 CAT4016 DETAIL A PIN BOTTOM VIEW b e DETAIL A A3 FRONT VIEW Doc. No. MD-5028 Rev. C ...

Page 14

... Notes: (1) All packages are RoHS-compliant (Lead-free, Halogen-free). (2) The device used in the above example is a CAT4016HV6–GT2 (TQFN, NiPdAu, Tape & Reel, 2,000/Reel). (3) For additional package and temperature options, please contact your nearest Catalyst Semiconductor Sales office. (4) Different pin outs, see page 2. ...

Page 15

... Catalyst Semiconductor products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Catalyst Semiconductor product could create a situation where personal injury or death may occur. ...

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